<div class="scene-buttons">
  <button mat-flat-button color="primary">Button</button>
  <button mat-icon-button><mat-icon>create</mat-icon></button>
  <button mat-raised-button>Button</button>
</div>

<div class="scene-buttons">
  <button mat-raised-button>Button</button>
  <button mat-fab><mat-icon>add</mat-icon></button>
  <button mat-stroked-button>Button</button>
</div>
